diff --git a/package.json b/package.json
index 3d6e4eb..79d1607 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "unplugin-https-reverse-proxy",
   "type": "module",
-  "version": "2.0.0",
+  "version": "2.0.1",
   "description": "",
   "license": "MIT",
   "homepage": "https://github.com/zcf0508/unplugin-https-reverse-proxy#readme",
diff --git a/src/index.ts b/src/index.ts
index aeec73a..8afb542 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -102,6 +102,11 @@ export const unpluginFactory: UnpluginFactory<Options> = options => ({
         return
       }
 
+      if (target.match(/^(?:https?)?:\/\//)) {
+        consola.fail('target must be a domain')
+        return
+      }
+
       const _printUrls = server.printUrls.bind(server)
 
       let source = `localhost:${config.server.port || 5173}`
@@ -138,6 +143,11 @@ export const unpluginFactory: UnpluginFactory<Options> = options => ({
       return
     }
 
+    if (target.match(/^(?:https?)?:\/\//)) {
+      consola.fail('target must be a domain')
+      return
+    }
+
     const devServer = {
       host: 'localhost',
       port: 8080,
@@ -200,6 +210,11 @@ export const unpluginFactory: UnpluginFactory<Options> = options => ({
       return
     }
 
+    if (target.match(/^(?:https?)?:\/\//)) {
+      consola.fail('target must be a domain')
+      return
+    }
+
     const devServer = {
       host: 'localhost',
       port: 8080,
diff --git a/src/nuxt.ts b/src/nuxt.ts
index 6affe39..9685d94 100644
--- a/src/nuxt.ts
+++ b/src/nuxt.ts
@@ -36,6 +36,11 @@ export default defineNuxtModule<ModuleOptions>({
       return
     }
 
+    if (target.match(/^(?:https?)?:\/\//)) {
+      consola.fail('target must be a domain')
+      return
+    }
+
     // https://github.com/nuxt/cli/issues/220#issuecomment-1735394141
     _nuxt.hook('listen', (_, listener) => {
       const url = listener.url